@keyframes mymove {
  0% {
    transform: scale(0);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes maskMove {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.images_view {
}
.mask {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  justify-content: center;
  overflow: auto;
  animation: maskMove 1s;
}
.content {
}
